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DFI and ECM Discuss all aspects of DFI (Digital Fuel Injection), ECMs (Electronic Control Module), scanners, and diagnostic equipment. Fine tune your Third Gen computer system for top performance.

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Old 04-15-2009, 07:58 PM   #1
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OBD 1 to OBD 2
hey guys I'm doing an engine swap on my car and need some help here. background: its a 1991 firebird 3.1L V6...I have a 383TPI built sitting I'm going to put in when I get out of school soon. I have all the wiring and new computer but I was wondering what all it would take to convert my OBD1 connection to an updated OBD2...What is needed? How do I go about this? Thanks
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Old 04-18-2009, 07:42 PM   #2
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Re: OBD 1 to OBD 2
http://www.thirdgen.org/techboard/tp...-opinions.html (TPI OBDII - Thoughts/Opinions)
Mike@eficonnection.com can build you an overlay harness to use the 0411 PCM.
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Old 04-22-2009, 06:59 PM   #3
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Re: OBD 1 to OBD 2
can't you just use a stock OBD2 wire harness,and ECM,and then just change the other sensors.also possibly change the throttle body to the newer style?
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Old 04-23-2009, 06:13 PM   #4
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Re: OBD 1 to OBD 2
Yes, that is all S10Wildside is doing really... just it isn't that simple.
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Old 04-24-2009, 10:11 AM   #5
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Re: OBD 1 to OBD 2
The original van harness I started to use in my 41 pickup looked like crap. The harness ran all over the top of engine.
S10Wildside built a killer harness that you can hardly see.
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Old 04-24-2009, 10:11 AM
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